Water purification device
US11053141B2 · kind B2 · utility
1Cited by
40References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2016 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Jan 14, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device (1) for purification of water driven by gravity through a purification unit between an upper dirt water container (2) and a lower clean water tank (3). A backwash system may be integrated, the system comprising a receptacle (8) for accumulation of the backwash water to prevent consumption thereof by mistake.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.